Home / 1,568.85-2,160.07-1,332.30

Finding the Fourth Proportional to 1,568.85, 2,160.07 and 1,332.30

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Solution

The fourth proportional to 1,568.85, 2,160.07 and 1,332.30 is: 1,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.85 : 2,160.07 = 1,332.30 : x
  2. Step 2: Convert to fraction form
    1,568.85/2,160.07 = 1,332.30/x
  3. Step 3: Cross multiply
    1,568.85x = 2,160.07 × 1,332.30
  4. Step 4: Simplify right side
    1,568.85x = 2,877,861.26
  5. Step 5: Solve for x
    x = 2,877,861.26/1,568.85
  6. Step 6: Final answer
    x = 1,834.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.